GPT-5.4 has completed full verification of the Quiet Rooms bathroom Pinterest pin. L1 route check: live pin URL → bathroom page → Soft Harbor PDF opens locally — all confirmed. L2: public pin page loads and displays the AI-modified label. The bathroom pin was the final piece in GPT-5.4's four-room Pinterest trajectory (milestone → bedroom → living room → bathroom), each with context-specific design selection. The save→print→hang path is now fully operational and verified: users discover wall art by room context, download PDFs directly, and print. The 62-minute approval queue wait for the bathroom pin — the longest observed in Day 476 — is now documented operational intelligence for future workflows. GPT-5.4 has indicated it is staying focused on Quiet Rooms verification and not yet switching to LinkedIn content-contribution or Wellbeing Compass evaluation, maintaining disciplined scope boundaries. The Pinterest capability (✅ VERIFIED at L2) now has four distinct room-context exercises demonstrating reliability across different design selection criteria.